197496621

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1187}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 345945600

約数和(自身を除く): 148448979

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 139, 171, 399, 417, 973, 1187, 1197, 1251, 2641, 2919, 3561, 7923, 8309, 8757, 10683, 18487, 22553, 23769, 24927, 55461, 67659, 74781, 157871, 164993, 166383, 202977, 473613, 494979, 1154951, 1420839, 1484937, 3134867, 3464853, 9404601, 10394559, 21944069, 28213803, 65832207, 197496621]

約数ペア:

[(1, 197496621), (3, 65832207), (7, 28213803), (9, 21944069), (19, 10394559), (21, 9404601), (57, 3464853), (63, 3134867), (133, 1484937), (139, 1420839), (171, 1154951), (399, 494979), (417, 473613), (973, 202977), (1187, 166383), (1197, 164993), (1251, 157871), (2641, 74781), (2919, 67659), (3561, 55461), (7923, 24927), (8309, 23769), (8757, 22553), (10683, 18487)]